Ultrasound notations (just curious)
Random question I’m just curious about. My early ultrasounds (did fertility so I’ve had one every week!) all sow the crown-rump length, then the gestational age based on measurements with a percentage on the same line. Does anyone know what that percentage means? An accuracy estimate maybe?
If it helps, the notations read like this for the ultrasound I had yesterday:
CRL: 2.72cm
GA: 9w4d 77.4%
EDD 12/1/22
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